Update app.py

app.py

@@ -124,7 +124,7 @@ def extract_openpose(img):
     
 def extract_canny(input_image):
     image = np.array(input_image)
-    image = cv2.Canny(image, self.low_threshold, self.high_threshold)
+    image = cv2.Canny(image, 100, 200)
     image = image[:, :, None]
     image = np.concatenate([image, image, image], axis=2)
     canny_image = Image.fromarray(image)